最长连续序列

def solve():
    def longestConsecutive(____):
        num_set = set(____)
        max_len = ____
        for num in num_set:
            if num - ____ not in num_set:
                curr_num = num
                curr_len = ____
                while curr_num + ____ in num_set:
                    curr_num += ____
                    curr_len += ____
                max_len = max(____)
        return max_len
    print(longestConsecutive(____))